Annihilation of the triplet excitons in the nanoporous glass matrices
| dc.contributor.author | Afanasyev, D.A. | |
| dc.contributor.author | Ibrayev, N.Kh. | |
| dc.contributor.author | Saletsky, A.M. | |
| dc.contributor.author | Starokurov, Y.V. | |
| dc.contributor.author | Gun’ko, V.M. | |
| dc.contributor.author | Mikhalovsky, S.V. | |
| dc.date.accessioned | 2017-01-10T05:31:32Z | |
| dc.date.available | 2017-01-10T05:31:32Z | |
| dc.date.issued | 2013-04 | |
| dc.description.abstract | The spectraandkineticsoffluorescencedecayof1,2-benzanthracene(1,2-BA)molecularclusters adsorbedinnanoporousborosilicateglasseswereinvestigated.Ithasbeenshownthatthetypeofthe decaykineticsofdelayedfluorescenceisdeterminedbytheannihilationoftripletexcitonsincrystalline andpercolationclusters.Theinfluenceofanexternalmagneticfieldontheannihilationrateconstantof tripletexcitonsintheadsorbed1,2-BAmoleculeshasbeenstudied.Theresponseofthemolecular clusterstothemagneticfieldstronglydependsontemperature,poresizeandtimescaleofthe observation.Clusterswiththecrystalstructuredominateinthedecaykineticsoftriplet–triplet annihilation(TTA)anddelayedfluorescenceintheinitialmicrosecondperiodoftimeafterexcitation. Amorphousclustersdeterminetheformofdecaykineticsofdelayedfluorescenceinthemillisecond range.Theincreaseintheporesizeandconcentrationoftheadsorbateleadtothedominanceof crystallinecomponents.Theresultspresentedherecanbeusedtodeveloptechniquesforprobingthe structureoftheadsorbedlayerinnanoporoussystemsexaminingtheeffectofanexternalmagneticfield on theannihilationdelayedfluorescence(ADF)kinetics. | ru_RU |
| dc.identifier.citation | Annihilation of the triplet excitons in the nanoporous glass matrices / D. A. Afanasyev[a.o.]//Journal ofLuminescence. - Amsterdam: Elsevier science bv. - 2013. - Vol.136. - p.358-364. - ISSN 0022-2313 | |
| dc.identifier.issn | 0022-2313 | |
| dc.identifier.uri | https://rep.buketov.edu.kz/handle/data/646 | |
| dc.language.iso | en | ru_RU |
| dc.publisher | Elsevier science bv | ru_RU |
| dc.relation.ispartofseries | Journal ofLuminescence;Vol.136. | |
| dc.subject | Delayed fluorescence | ru_RU |
| dc.subject | Triplet–triplet annihilation | ru_RU |
| dc.subject | Magnetic fieldeffect | ru_RU |
| dc.subject | Porous glasses | ru_RU |
| dc.subject | Molecular clusters | ru_RU |
| dc.title | Annihilation of the triplet excitons in the nanoporous glass matrices | ru_RU |
| dc.type | Article | ru_RU |